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/*
* Copyright (C) 2006-2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
enum ImageSmoothingQuality { "low", "medium", "high" };
enum CanvasWindingRule { "nonzero", "evenodd" };
// FIXME: This should include SVGImageElement and ImageBitmap.
#if defined(ENABLE_VIDEO) && ENABLE_VIDEO
typedef (HTMLImageElement or HTMLVideoElement or HTMLCanvasElement) CanvasImageSource;
#else
typedef (HTMLImageElement or HTMLCanvasElement) CanvasImageSource;
#endif
[
CustomIsReachable,
JSGenerateToJSObject,
JSCustomMarkFunction,
CallTracingCallback=recordCanvasAction,
] interface CanvasRenderingContext2D {
// back-reference to the canvas
readonly attribute HTMLCanvasElement canvas;
void save();
void restore();
void commit();
void scale(unrestricted float sx, unrestricted float sy);
void rotate(unrestricted float angle);
void translate(unrestricted float tx, unrestricted float ty);
void transform(unrestricted float m11, unrestricted float m12, unrestricted float m21, unrestricted float m22,
unrestricted float dx, unrestricted float dy);
[NewObject] DOMMatrix getTransform();
void setTransform(unrestricted float m11, unrestricted float m12, unrestricted float m21, unrestricted float m22,
unrestricted float dx, unrestricted float dy);
[MayThrowException] void setTransform(optional DOMMatrixInit transform);
void resetTransform();
attribute unrestricted float globalAlpha;
attribute DOMString globalCompositeOperation;
attribute unrestricted float lineWidth;
attribute DOMString lineCap;
attribute DOMString lineJoin;
attribute unrestricted float miterLimit;
attribute unrestricted float shadowOffsetX;
attribute unrestricted float shadowOffsetY;
attribute unrestricted float shadowBlur;
attribute DOMString shadowColor;
void setLineDash(sequence<unrestricted float> dash);
sequence<unrestricted float> getLineDash();
attribute unrestricted float lineDashOffset;
attribute sequence<unrestricted float> webkitLineDash;
[ImplementedAs=lineDashOffset] attribute unrestricted float webkitLineDashOffset;
void clearRect(unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
void fillRect(unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
void beginPath();
void fill(DOMPath path, optional CanvasWindingRule winding = "nonzero");
void stroke(DOMPath path);
void clip(DOMPath path, optional CanvasWindingRule winding = "nonzero");
void fill(optional CanvasWindingRule winding = "nonzero");
void stroke();
void clip(optional CanvasWindingRule winding = "nonzero");
boolean isPointInPath(DOMPath path, unrestricted float x, unrestricted float y, optional CanvasWindingRule winding = "nonzero");
boolean isPointInStroke(DOMPath path, unrestricted float x, unrestricted float y);
boolean isPointInPath(unrestricted float x, unrestricted float y, optional CanvasWindingRule winding = "nonzero");
boolean isPointInStroke(unrestricted float x, unrestricted float y);
// text
attribute DOMString font;
attribute DOMString textAlign;
attribute DOMString textBaseline;
attribute DOMString direction;
TextMetrics measureText(DOMString text);
// other
void setAlpha(optional unrestricted float alpha = NaN);
// FIXME: Using "undefined" as default parameter value is wrong.
void setCompositeOperation(optional DOMString compositeOperation = "undefined");
void setLineWidth(optional unrestricted float width = NaN);
// FIXME: Using "undefined" as default parameter value is wrong.
void setLineCap(optional DOMString cap = "undefined");
void setLineJoin(optional DOMString join = "undefined");
void setMiterLimit(optional unrestricted float limit = NaN);
void clearShadow();
void fillText(DOMString text, unrestricted float x, unrestricted float y, optional unrestricted float maxWidth);
void strokeText(DOMString text, unrestricted float x, unrestricted float y, optional unrestricted float maxWidth);
void setStrokeColor(DOMString color, optional unrestricted float alpha);
void setStrokeColor(unrestricted float grayLevel, optional float alpha = 1);
void setStrokeColor(unrestricted float r, unrestricted float g, unrestricted float b, unrestricted float a);
void setStrokeColor(unrestricted float c, unrestricted float m, unrestricted float y, unrestricted float k, unrestricted float a);
void setFillColor(DOMString color, optional unrestricted float alpha);
void setFillColor(unrestricted float grayLevel, optional unrestricted float alpha = 1);
void setFillColor(unrestricted float r, unrestricted float g, unrestricted float b, unrestricted float a);
void setFillColor(unrestricted float c, unrestricted float m, unrestricted float y, unrestricted float k, unrestricted float a);
void strokeRect(unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
// FIXME: This should move to the CanvasDrawImage interface.
// FIXME: All the unrestricted float arguments below should be unrestricted doubles.
[MayThrowException] void drawImage(CanvasImageSource image, unrestricted float x, unrestricted float y);
[MayThrowException] void drawImage(CanvasImageSource image, unrestricted float x, unrestricted float y, unrestricted float width, unrestricted float height);
[MayThrowException] void drawImage(CanvasImageSource image, unrestricted float sx, unrestricted float sy, unrestricted float sw, unrestricted float sh, unrestricted float dx, unrestricted float dy, unrestricted float dw, unrestricted float dh);
void drawImageFromRect(HTMLImageElement image,
optional unrestricted float sx = 0, optional unrestricted float sy = 0, optional unrestricted float sw = 0, optional unrestricted float sh = 0,
optional unrestricted float dx = 0, optional unrestricted float dy = 0, optional unrestricted float dw = 0, optional unrestricted float dh = 0,
optional DOMString compositeOperation = "");
void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur,
optional DOMString color, optional unrestricted float alpha);
void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float grayLevel,
optional unrestricted float alpha = 1);
void setShadow(unrestricted float width, unrestricted float height, unrestricted float blur, unrestricted float r,
unrestricted float g, unrestricted float b, unrestricted float a);
void setShadow(float width, unrestricted float height, unrestricted float blur, unrestricted float c, unrestricted float m,
unrestricted float y, unrestricted float k, unrestricted float a);
void putImageData(ImageData imagedata, float dx, float dy);
void putImageData(ImageData imagedata, float dx, float dy, float dirtyX, float dirtyY, float dirtyWidth, float dirtyHeight);
void webkitPutImageDataHD(ImageData imagedata, float dx, float dy);
void webkitPutImageDataHD(ImageData imagedata, float dx, float dy, float dirtyX, float dirtyY, float dirtyWidth, float dirtyHeight);
[MayThrowException] ImageData createImageData(ImageData? imagedata);
[MayThrowException] ImageData createImageData(float sw, float sh);
attribute (DOMString or CanvasGradient or CanvasPattern) strokeStyle;
attribute (DOMString or CanvasGradient or CanvasPattern) fillStyle;
[MayThrowException] CanvasGradient createLinearGradient(float x0, float y0, float x1, float y1);
[MayThrowException] CanvasGradient createRadialGradient(float x0, float y0, float r0, float x1, float y1, float r1);
[MayThrowException] CanvasPattern? createPattern(CanvasImageSource image, [TreatNullAs=EmptyString] DOMString repetition);
// pixel manipulation
[MayThrowException] ImageData getImageData(float sx, float sy, float sw, float sh);
[MayThrowException] ImageData webkitGetImageDataHD(float sx, float sy, float sw, float sh);
// Focus rings
void drawFocusIfNeeded(Element element);
void drawFocusIfNeeded(DOMPath path, Element element);
readonly attribute float webkitBackingStorePixelRatio;
attribute boolean imageSmoothingEnabled;
[ImplementedAs=imageSmoothingEnabled] attribute boolean webkitImageSmoothingEnabled;
attribute ImageSmoothingQuality imageSmoothingQuality;
[EnabledAtRuntime=InspectorAdditions] void setPath(DOMPath path);
[EnabledAtRuntime=InspectorAdditions, NewObject] DOMPath getPath();
};
CanvasRenderingContext2D implements CanvasPath;
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